import router, { setupRoutes } from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken, removeToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()

  if (hasToken) {
    if (to.path === '/login' && store.getters.isFirstLogin !== 0) {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    } else {
      const hasGetUserInfo = store.getters.name
      if (hasGetUserInfo) {
        if (!checkPower(to, next)) {
          return
        }
        next()
      } else {
        try {
          // get user info
          await store.dispatch('user/getInfo')
          if (!checkPower(to, next)) {
            return
          }
          // console.log(typeof store.getters.isFirstLogin)
          // is it your first login
          if (store.getters.isFirstLogin === 0) {
            next({ path: '/login?current=resetpwd', replace: true})
            return
          }
          next()
        } catch (error) {
          // remove token and go to login page to re-login
          // await store.dispatch('user/resetToken')
          // Message.error(error || 'Has Error')
          // next(`/login?redirect=${to.path}`)
        } finally {
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      // next()
      NProgress.done()
    }
  }
})

function checkPower(to, next) {
  if (store.getters.superAdmin || to.name === 'dashboard') {
    return true
  }
  const name = to.name
  if (name && !store.getters.permission[name]) {
    if (name !== 'dashboard') {
      next('/')
    } else {
      removeToken()
      next(`/login`)
    }
    return false
  }
  return true
}

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
